Fun
> Subject: Re: [PATCH] pwm: add support for Intel Low Power Subsystem PWM
>
> On Thu, Feb 27, 2014 at 09:03:41AM +, Chew, Chiau Ee wrote:
> > > > > +static int pwm_lpss_probe(struct platform_device *pdev) {
> > > > > + struct devic
On Thu, Feb 27, 2014 at 09:03:41AM +, Chew, Chiau Ee wrote:
> > > > +static int pwm_lpss_probe(struct platform_device *pdev) {
> > > > + struct device *dev = >dev;
> > > > + struct pwm_lpss_chip *lpwm;
> > > > + int ret;
> > > > +
> > > > + lpwm = dev_get_platdata(dev);
Fun
> Subject: Re: [PATCH] pwm: add support for Intel Low Power Subsystem PWM
>
> On Wed, Feb 26, 2014 at 03:38:23PM +0100, Thierry Reding wrote:
> > On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
> > [...]
> > > diff --git a
On Wed, Feb 26, 2014 at 03:38:23PM +0100, Thierry Reding wrote:
> On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
> [...]
> > diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
> [...]
> > +/*
> > + * Intel Low Power Subsystem PWM controller driver
> > + *
> > + *
On Wed, Feb 26, 2014 at 03:38:23PM +0100, Thierry Reding wrote:
On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
[...]
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
[...]
+/*
+ * Intel Low Power Subsystem PWM controller driver
+ *
+ * Copyright (C) 2014,
] pwm: add support for Intel Low Power Subsystem PWM
On Wed, Feb 26, 2014 at 03:38:23PM +0100, Thierry Reding wrote:
On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
[...]
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
[...]
+/*
+ * Intel Low Power
On Thu, Feb 27, 2014 at 09:03:41AM +, Chew, Chiau Ee wrote:
+static int pwm_lpss_probe(struct platform_device *pdev) {
+ struct device *dev = pdev-dev;
+ struct pwm_lpss_chip *lpwm;
+ int ret;
+
+ lpwm = dev_get_platdata(dev);
struct
] pwm: add support for Intel Low Power Subsystem PWM
On Thu, Feb 27, 2014 at 09:03:41AM +, Chew, Chiau Ee wrote:
+static int pwm_lpss_probe(struct platform_device *pdev) {
+ struct device *dev = pdev-dev;
+ struct pwm_lpss_chip *lpwm;
+ int ret
On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
[...]
> diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
[...]
> +/*
> + * Intel Low Power Subsystem PWM controller driver
> + *
> + * Copyright (C) 2014, Intel Corporation
> + * Author: Mika Westerberg
> + * Author: Chew
On Tue, Jan 21, 2014 at 02:00:08AM +0800, Chew Chiau Ee wrote:
[...]
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
[...]
+/*
+ * Intel Low Power Subsystem PWM controller driver
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Author: Mika Westerberg
hang, Rebecca Swee Fun
> Subject: Re: [PATCH] pwm: add support for Intel Low Power Subsystem PWM
>
> On Tue, Jan 21, 2014 at 08:43:39PM +0100, Thierry Reding wrote:
> > The idea behind this is that only a single user can have access to a
> > given PWM device at a time. The PWM
Subject: Re: [PATCH] pwm: add support for Intel Low Power Subsystem PWM
On Tue, Jan 21, 2014 at 08:43:39PM +0100, Thierry Reding wrote:
The idea behind this is that only a single user can have access to a
given PWM device at a time. The PWM device's PWMF_REQUESTED flag is
set (and cleared
> Does that clarify things?
Yes
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Does that clarify things?
Yes
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Please read the FAQ at http://www.tux.org/lkml/
On Tue, Jan 21, 2014 at 08:43:39PM +0100, Thierry Reding wrote:
> The idea behind this is that only a single user can have access to a
> given PWM device at a time. The PWM device's PWMF_REQUESTED flag is set
> (and cleared) under the pwm_lock and any subsequent users will not be
> able to use
On Tue, Jan 21, 2014 at 08:43:39PM +0100, Thierry Reding wrote:
The idea behind this is that only a single user can have access to a
given PWM device at a time. The PWM device's PWMF_REQUESTED flag is set
(and cleared) under the pwm_lock and any subsequent users will not be
able to use that
On Tue, Jan 21, 2014 at 10:52:36AM +0200, Mika Westerberg wrote:
> On Mon, Jan 20, 2014 at 01:28:14PM +, One Thousand Gnomes wrote:
> > > +static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
> > > + int duty_ns, int period_ns)
> > > +{
> > > + struct pwm_lpss_chip *lpwm =
On Mon, Jan 20, 2014 at 01:28:14PM +, One Thousand Gnomes wrote:
> > +static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
> > + int duty_ns, int period_ns)
> > +{
> > + struct pwm_lpss_chip *lpwm = to_lpwm(chip);
> > + u8 on_time_div;
> > + unsigned long c =
On Mon, Jan 20, 2014 at 01:28:14PM +, One Thousand Gnomes wrote:
+static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
+ int duty_ns, int period_ns)
+{
+ struct pwm_lpss_chip *lpwm = to_lpwm(chip);
+ u8 on_time_div;
+ unsigned long c =
On Tue, Jan 21, 2014 at 10:52:36AM +0200, Mika Westerberg wrote:
On Mon, Jan 20, 2014 at 01:28:14PM +, One Thousand Gnomes wrote:
+static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
+ int duty_ns, int period_ns)
+{
+ struct pwm_lpss_chip *lpwm =
> +static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
> + int duty_ns, int period_ns)
> +{
> + struct pwm_lpss_chip *lpwm = to_lpwm(chip);
> + u8 on_time_div;
> + unsigned long c = clk_get_rate(lpwm->clk);
> + unsigned long long base_unit, hz =
From: Mika Westerberg
Add support for Intel Low Power I/O subsystem PWM controllers found on
Intel BayTrail SoC.
Signed-off-by: Mika Westerberg
Signed-off-by: Chew, Kean Ho
Signed-off-by: Chang, Rebecca Swee Fun
Signed-off-by: Chew, Chiau Ee
---
drivers/pwm/Kconfig| 10 +++
+static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm,
+ int duty_ns, int period_ns)
+{
+ struct pwm_lpss_chip *lpwm = to_lpwm(chip);
+ u8 on_time_div;
+ unsigned long c = clk_get_rate(lpwm-clk);
+ unsigned long long base_unit, hz = 10UL;
+
From: Mika Westerberg mika.westerb...@linux.intel.com
Add support for Intel Low Power I/O subsystem PWM controllers found on
Intel BayTrail SoC.
Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com
Signed-off-by: Chew, Kean Ho kean.ho.c...@intel.com
Signed-off-by: Chang, Rebecca Swee
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